n. 连结者, 连接器, 耦合器, 车钩

[计] 耦合器

[化] 联轴节; 联轴器; 连接器; 管接头; 偶合剂; 偶联剂

[医] 联结器, 偶联器; 联结剂

[ noun ]
a mechanical device that serves to connect the ends of adjacent objects
<noun.artifact>

Coupler \Coup"ler\ (k?p"l?r), n.
One who couples; that which couples, as a link, ring, or
shackle, to connect cars.

{Coupler of an organ}, a contrivance by which any two or more
of the ranks of keys, or keys and pedals, are connected so
as to act together when the organ is played.

Copula \Cop"u*la\, n. [L., bond, band. See {Couple}.]
1. (Logic & Gram.) The word which unites the subject and
predicate.

2. (Mus.) The stop which connects the manuals, or the manuals
with the pedals; -- called also {coupler}.